<div>
    <p>点击按钮选择要上传的文件：
        <input type="button" class="wi-btn" id="file1" value="选择文件" />
    </p>
    <wi-fileUpload
        wi-url="misc/temp/fileupload_test.html"
        wi-trigger="file1"
        wi-multisel
        wi-modal
        >
    </wi-fileUpload>
</div>